21033990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{8059}}^1$

素因数の和:8101

約数の個数: 48

約数和(自身を含む): 56581200

約数和(自身を除く): 35547210

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 29, 30, 45, 58, 87, 90, 145, 174, 261, 290, 435, 522, 870, 1305, 2610, 8059, 16118, 24177, 40295, 48354, 72531, 80590, 120885, 145062, 233711, 241770, 362655, 467422, 701133, 725310, 1168555, 1402266, 2103399, 2337110, 3505665, 4206798, 7011330, 10516995, 21033990]

約数ペア:

[(1, 21033990), (2, 10516995), (3, 7011330), (5, 4206798), (6, 3505665), (9, 2337110), (10, 2103399), (15, 1402266), (18, 1168555), (29, 725310), (30, 701133), (45, 467422), (58, 362655), (87, 241770), (90, 233711), (145, 145062), (174, 120885), (261, 80590), (290, 72531), (435, 48354), (522, 40295), (870, 24177), (1305, 16118), (2610, 8059)]